GD0036 SOUTH CHINA SEA DRILLING OPERATION CARRY OUT BY DRILLING PLATFORM “NAN HAI BA HAO” IN AREA WITHIN 1NM RADIUS OF 20-14-17.39N 114-47-04.47E FROM 25 FEB. TO 25 APR. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA